| 1 | /* |
| 2 | * Xephyr - A kdrive X server thats runs in a host X window. |
| 3 | * Authored by Matthew Allum <mallum@o-hand.com> |
| 4 | * |
| 5 | * Copyright © 2004 Nokia |
| 6 | * |
| 7 | * Permission to use, copy, modify, distribute, and sell this software and its |
| 8 | * documentation for any purpose is hereby granted without fee, provided that |
| 9 | * the above copyright notice appear in all copies and that both that |
| 10 | * copyright notice and this permission notice appear in supporting |
| 11 | * documentation, and that the name of Nokia not be used in |
| 12 | * advertising or publicity pertaining to distribution of the software without |
| 13 | * specific, written prior permission. Nokia makes no |
| 14 | * representations about the suitability of this software for any purpose. It |
| 15 | * is provided "as is" without express or implied warranty. |
| 16 | * |
| 17 | * NOKIA DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
| 18 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
| 19 | * EVENT SHALL NOKIA BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
| 20 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
| 21 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 22 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 23 | * PERFORMANCE OF THIS SOFTWARE. |
| 24 | */ |
| 25 | |
| 26 | #ifdef HAVE_CONFIG_H |
| 27 | #include <kdrive-config.h> |
| 28 | #endif |
| 29 | |
| 30 | #include "hostx.h" |
| 31 | #include "input.h" |
| 32 | |
| 33 | #include <stdlib.h> |
| 34 | #include <stdio.h> |
| 35 | #include <unistd.h> |
| 36 | #include <string.h> /* for memset */ |
| 37 | #include <errno.h> |
| 38 | #include <time.h> |
| 39 | |
| 40 | #include <sys/ipc.h> |
| 41 | #include <sys/shm.h> |
| 42 | #include <sys/time.h> |
| 43 | |
| 44 | #include <X11/keysym.h> |
| 45 | #include <xcb/xcb.h> |
| 46 | #include <xcb/xproto.h> |
| 47 | #include <xcb/xcb_icccm.h> |
| 48 | #include <xcb/xcb_aux.h> |
| 49 | #include <xcb/shm.h> |
| 50 | #include <xcb/xcb_image.h> |
| 51 | #include <xcb/shape.h> |
| 52 | #include <xcb/xcb_keysyms.h> |
| 53 | #ifdef XF86DRI |
| 54 | #include <xcb/xf86dri.h> |
| 55 | #include <xcb/glx.h> |
| 56 | #endif /* XF86DRI */ |
| 57 | #include "ephyrlog.h" |
| 58 | #include "ephyr.h" |
| 59 | |
| 60 | struct EphyrHostXVars { |
| 61 | char *server_dpy_name; |
| 62 | xcb_connection_t *conn; |
| 63 | int screen; |
| 64 | xcb_visualtype_t *visual; |
| 65 | Window winroot; |
| 66 | xcb_gcontext_t gc; |
| 67 | int depth; |
| 68 | Bool use_sw_cursor; |
| 69 | Bool use_fullscreen; |
| 70 | Bool have_shm; |
| 71 | |
| 72 | int n_screens; |
| 73 | KdScreenInfo **screens; |
| 74 | |
| 75 | long damage_debug_msec; |
| 76 | |
| 77 | unsigned long cmap[256]; |
| 78 | }; |
| 79 | |
| 80 | /* memset ( missing> ) instead of below */ |
| 81 | /*static EphyrHostXVars HostX = { "?", 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};*/ |
| 82 | static EphyrHostXVars HostX; |
| 83 | |
| 84 | static int HostXWantDamageDebug = 0; |
| 85 | |
| 86 | extern EphyrKeySyms ephyrKeySyms; |
| 87 | |
| 88 | extern int monitorResolution; |
| 89 | |
| 90 | extern Bool EphyrWantResize; |
| 91 | |
| 92 | char *ephyrResName = NULL; |
| 93 | int ephyrResNameFromCmd = 0; |
| 94 | char *ephyrTitle = NULL; |
| 95 | |
| 96 | static void |
| 97 | hostx_set_fullscreen_hint(void); |
| 98 | |
| 99 | #define host_depth_matches_server(_vars) (HostX.depth == (_vars)->server_depth) |
| 100 | |
| 101 | int |
| 102 | hostx_want_screen_size(KdScreenInfo *screen, int *width, int *height) |
| 103 | { |
| 104 | EphyrScrPriv *scrpriv = screen->driver; |
| 105 | |
| 106 | if (scrpriv && (scrpriv->win_pre_existing != None || |
| 107 | HostX.use_fullscreen == TRUE)) { |
| 108 | *width = scrpriv->win_width; |
| 109 | *height = scrpriv->win_height; |
| 110 | return 1; |
| 111 | } |
| 112 | |
| 113 | return 0; |
| 114 | } |
| 115 | |
| 116 | void |
| 117 | hostx_add_screen(KdScreenInfo *screen, unsigned long win_id, int screen_num) |
| 118 | { |
| 119 | EphyrScrPriv *scrpriv = screen->driver; |
| 120 | int index = HostX.n_screens; |
| 121 | |
| 122 | HostX.n_screens += 1; |
| 123 | HostX.screens = realloc(HostX.screens, |
| 124 | HostX.n_screens * sizeof(HostX.screens[0])); |
| 125 | HostX.screens[index] = screen; |
| 126 | |
| 127 | scrpriv->screen = screen; |
| 128 | scrpriv->win_pre_existing = win_id; |
| 129 | } |
| 130 | |
| 131 | void |
| 132 | hostx_set_display_name(char *name) |
| 133 | { |
| 134 | HostX.server_dpy_name = strdup(name); |
| 135 | } |
| 136 | |
| 137 | void |
| 138 | hostx_set_screen_number(KdScreenInfo *screen, int number) |
| 139 | { |
| 140 | EphyrScrPriv *scrpriv = screen->driver; |
| 141 | |
| 142 | if (scrpriv) { |
| 143 | scrpriv->mynum = number; |
| 144 | hostx_set_win_title(screen, ""); |
| 145 | } |
| 146 | } |
| 147 | |
| 148 | void |
| 149 | hostx_set_win_title(KdScreenInfo *screen, const char *extra_text) |
| 150 | { |
| 151 | EphyrScrPriv *scrpriv = screen->driver; |
| 152 | |
| 153 | if (!scrpriv) |
| 154 | return; |
| 155 | |
| 156 | if (ephyrTitle) { |
| 157 | xcb_icccm_set_wm_name(HostX.conn, |
| 158 | scrpriv->win, |
| 159 | XCB_ATOM_STRING, |
| 160 | 8, |
| 161 | strlen(ephyrTitle), |
| 162 | ephyrTitle); |
| 163 | } else { |
| 164 | #define BUF_LEN 256 |
| 165 | char buf[BUF_LEN + 1]; |
| 166 | |
| 167 | memset(buf, 0, BUF_LEN + 1); |
| 168 | snprintf(buf, BUF_LEN, "Xephyr on %s.%d %s", |
| 169 | HostX.server_dpy_name, |
| 170 | scrpriv->mynum, (extra_text != NULL) ? extra_text : ""); |
| 171 | |
| 172 | xcb_icccm_set_wm_name(HostX.conn, |
| 173 | scrpriv->win, |
| 174 | XCB_ATOM_STRING, |
| 175 | 8, |
| 176 | strlen(buf), |
| 177 | buf); |
| 178 | xcb_flush(HostX.conn); |
| 179 | } |
| 180 | } |
| 181 | |
| 182 | int |
| 183 | hostx_want_host_cursor(void) |
| 184 | { |
| 185 | return !HostX.use_sw_cursor; |
| 186 | } |
| 187 | |
| 188 | void |
| 189 | hostx_use_sw_cursor(void) |
| 190 | { |
| 191 | HostX.use_sw_cursor = TRUE; |
| 192 | } |
| 193 | |
| 194 | int |
| 195 | hostx_want_preexisting_window(KdScreenInfo *screen) |
| 196 | { |
| 197 | EphyrScrPriv *scrpriv = screen->driver; |
| 198 | |
| 199 | if (scrpriv && scrpriv->win_pre_existing) { |
| 200 | return 1; |
| 201 | } |
| 202 | else { |
| 203 | return 0; |
| 204 | } |
| 205 | } |
| 206 | |
| 207 | void |
| 208 | hostx_use_fullscreen(void) |
| 209 | { |
| 210 | HostX.use_fullscreen = TRUE; |
| 211 | } |
| 212 | |
| 213 | int |
| 214 | hostx_want_fullscreen(void) |
| 215 | { |
| 216 | return HostX.use_fullscreen; |
| 217 | } |
| 218 | |
| 219 | static xcb_intern_atom_cookie_t cookie_WINDOW_STATE, |
| 220 | cookie_WINDOW_STATE_FULLSCREEN; |
| 221 | |
| 222 | static void |
| 223 | hostx_set_fullscreen_hint(void) |
| 224 | { |
| 225 | xcb_atom_t atom_WINDOW_STATE, atom_WINDOW_STATE_FULLSCREEN; |
| 226 | int index; |
| 227 | xcb_intern_atom_reply_t *reply; |
| 228 | |
| 229 | reply = xcb_intern_atom_reply(HostX.conn, cookie_WINDOW_STATE, NULL); |
| 230 | atom_WINDOW_STATE = reply->atom; |
| 231 | free(reply); |
| 232 | |
| 233 | reply = xcb_intern_atom_reply(HostX.conn, cookie_WINDOW_STATE_FULLSCREEN, |
| 234 | NULL); |
| 235 | atom_WINDOW_STATE_FULLSCREEN = reply->atom; |
| 236 | free(reply); |
| 237 | |
| 238 | for (index = 0; index < HostX.n_screens; index++) { |
| 239 | EphyrScrPriv *scrpriv = HostX.screens[index]->driver; |
| 240 | xcb_change_property(HostX.conn, |
| 241 | PropModeReplace, |
| 242 | scrpriv->win, |
| 243 | atom_WINDOW_STATE, |
| 244 | XCB_ATOM_ATOM, |
| 245 | 32, |
| 246 | 1, |
| 247 | &atom_WINDOW_STATE_FULLSCREEN); |
| 248 | } |
| 249 | } |
| 250 | |
| 251 | static void |
| 252 | hostx_toggle_damage_debug(void) |
| 253 | { |
| 254 | HostXWantDamageDebug ^= 1; |
| 255 | } |
| 256 | |
| 257 | void |
| 258 | hostx_handle_signal(int signum) |
| 259 | { |
| 260 | hostx_toggle_damage_debug(); |
| 261 | EPHYR_DBG("Signal caught. Damage Debug:%i\n", HostXWantDamageDebug); |
| 262 | } |
| 263 | |
| 264 | void |
| 265 | hostx_use_resname(char *name, int fromcmd) |
| 266 | { |
| 267 | ephyrResName = name; |
| 268 | ephyrResNameFromCmd = fromcmd; |
| 269 | } |
| 270 | |
| 271 | void |
| 272 | hostx_set_title(char *title) |
| 273 | { |
| 274 | ephyrTitle = title; |
| 275 | } |
| 276 | |
| 277 | #ifdef __SUNPRO_C |
| 278 | /* prevent "Function has no return statement" error for x_io_error_handler */ |
| 279 | #pragma does_not_return(exit) |
| 280 | #endif |
| 281 | |
| 282 | int |
| 283 | hostx_init(void) |
| 284 | { |
| 285 | uint32_t attr; |
| 286 | xcb_cursor_t empty_cursor; |
| 287 | xcb_pixmap_t cursor_pxm; |
| 288 | uint16_t red, green, blue; |
| 289 | uint32_t pixel; |
| 290 | int index; |
| 291 | char *tmpstr; |
| 292 | char *class_hint; |
| 293 | size_t class_len; |
| 294 | const xcb_query_extension_reply_t *shm_rep; |
| 295 | xcb_screen_t *xscreen; |
| 296 | |
| 297 | attr = |
| 298 | XCB_EVENT_MASK_BUTTON_PRESS |
| 299 | | XCB_EVENT_MASK_BUTTON_RELEASE |
| 300 | | XCB_EVENT_MASK_POINTER_MOTION |
| 301 | | XCB_EVENT_MASK_KEY_PRESS |
| 302 | | XCB_EVENT_MASK_KEY_RELEASE |
| 303 | | XCB_EVENT_MASK_EXPOSURE |
| 304 | | XCB_EVENT_MASK_STRUCTURE_NOTIFY; |
| 305 | |
| 306 | EPHYR_DBG("mark"); |
| 307 | HostX.conn = xcb_connect(NULL, &HostX.screen); |
| 308 | if (xcb_connection_has_error(HostX.conn)) { |
| 309 | fprintf(stderr, "\nXephyr cannot open host display. Is DISPLAY set?\n"); |
| 310 | exit(1); |
| 311 | } |
| 312 | |
| 313 | xscreen = xcb_aux_get_screen(HostX.conn, HostX.screen); |
| 314 | HostX.winroot = xscreen->root; |
| 315 | HostX.gc = xcb_generate_id(HostX.conn); |
| 316 | HostX.depth = xscreen->root_depth; |
| 317 | HostX.visual = xcb_aux_find_visual_by_id(xscreen, xscreen->root_visual); |
| 318 | |
| 319 | xcb_create_gc(HostX.conn, HostX.gc, HostX.winroot, 0, NULL); |
| 320 | cookie_WINDOW_STATE = xcb_intern_atom(HostX.conn, FALSE, |
| 321 | strlen("_NET_WM_STATE"), |
| 322 | "_NET_WM_STATE"); |
| 323 | cookie_WINDOW_STATE_FULLSCREEN = |
| 324 | xcb_intern_atom(HostX.conn, FALSE, |
| 325 | strlen("_NET_WM_STATE_FULLSCREEN"), |
| 326 | "_NET_WM_STATE_FULLSCREEN"); |
| 327 | |
| 328 | for (index = 0; index < HostX.n_screens; index++) { |
| 329 | KdScreenInfo *screen = HostX.screens[index]; |
| 330 | EphyrScrPriv *scrpriv = screen->driver; |
| 331 | |
| 332 | scrpriv->win = xcb_generate_id(HostX.conn); |
| 333 | scrpriv->server_depth = HostX.depth; |
| 334 | scrpriv->ximg = NULL; |
| 335 | |
| 336 | if (scrpriv->win_pre_existing != XCB_WINDOW_NONE) { |
| 337 | xcb_get_geometry_reply_t *prewin_geom; |
| 338 | xcb_get_geometry_cookie_t cookie; |
| 339 | xcb_generic_error_t *e = NULL; |
| 340 | |
| 341 | /* Get screen size from existing window */ |
| 342 | cookie = xcb_get_geometry(HostX.conn, |
| 343 | scrpriv->win_pre_existing); |
| 344 | prewin_geom = xcb_get_geometry_reply(HostX.conn, cookie, &e); |
| 345 | |
| 346 | if (e) { |
| 347 | free(e); |
| 348 | free(prewin_geom); |
| 349 | fprintf (stderr, "\nXephyr -parent window' does not exist!\n"); |
| 350 | exit (1); |
| 351 | } |
| 352 | |
| 353 | scrpriv->win_width = prewin_geom->width; |
| 354 | scrpriv->win_height = prewin_geom->height; |
| 355 | |
| 356 | free(prewin_geom); |
| 357 | |
| 358 | xcb_create_window(HostX.conn, |
| 359 | XCB_COPY_FROM_PARENT, |
| 360 | scrpriv->win, |
| 361 | scrpriv->win_pre_existing, |
| 362 | 0,0, |
| 363 | scrpriv->win_width, |
| 364 | scrpriv->win_height, |
| 365 | 0, |
| 366 | XCB_WINDOW_CLASS_COPY_FROM_PARENT, |
| 367 | XCB_COPY_FROM_PARENT, |
| 368 | XCB_CW_EVENT_MASK, |
| 369 | &attr); |
| 370 | } |
| 371 | else { |
| 372 | xcb_create_window(HostX.conn, |
| 373 | XCB_COPY_FROM_PARENT, |
| 374 | scrpriv->win, |
| 375 | HostX.winroot, |
| 376 | 0,0,100,100, /* will resize */ |
| 377 | 0, |
| 378 | XCB_WINDOW_CLASS_COPY_FROM_PARENT, |
| 379 | XCB_COPY_FROM_PARENT, |
| 380 | XCB_CW_EVENT_MASK, |
| 381 | &attr); |
| 382 | |
| 383 | hostx_set_win_title(screen, |
| 384 | "(ctrl+shift grabs mouse and keyboard)"); |
| 385 | |
| 386 | if (HostX.use_fullscreen) { |
| 387 | scrpriv->win_width = xscreen->width_in_pixels; |
| 388 | scrpriv->win_height = xscreen->height_in_pixels; |
| 389 | |
| 390 | hostx_set_fullscreen_hint(); |
| 391 | } |
| 392 | |
| 393 | tmpstr = getenv("RESOURCE_NAME"); |
| 394 | if (tmpstr && (!ephyrResNameFromCmd)) |
| 395 | ephyrResName = tmpstr; |
| 396 | class_len = strlen(ephyrResName) + 1 + strlen("Xephyr") + 1; |
| 397 | class_hint = malloc(class_len); |
| 398 | if (class_hint) { |
| 399 | strcpy(class_hint, ephyrResName); |
| 400 | strcpy(class_hint + strlen(ephyrResName) + 1, "Xephyr"); |
| 401 | xcb_change_property(HostX.conn, |
| 402 | XCB_PROP_MODE_REPLACE, |
| 403 | scrpriv->win, |
| 404 | XCB_ATOM_WM_CLASS, |
| 405 | XCB_ATOM_STRING, |
| 406 | 8, |
| 407 | class_len, |
| 408 | class_hint); |
| 409 | free(class_hint); |
| 410 | } |
| 411 | } |
| 412 | } |
| 413 | |
| 414 | if (!xcb_aux_parse_color("red", &red, &green, &blue)) { |
| 415 | xcb_lookup_color_cookie_t c = |
| 416 | xcb_lookup_color(HostX.conn, xscreen->default_colormap, 3, "red"); |
| 417 | xcb_lookup_color_reply_t *reply = |
| 418 | xcb_lookup_color_reply(HostX.conn, c, NULL); |
| 419 | red = reply->exact_red; |
| 420 | green = reply->exact_green; |
| 421 | blue = reply->exact_blue; |
| 422 | free(reply); |
| 423 | } |
| 424 | |
| 425 | { |
| 426 | xcb_alloc_color_cookie_t c = xcb_alloc_color(HostX.conn, |
| 427 | xscreen->default_colormap, |
| 428 | red, green, blue); |
| 429 | xcb_alloc_color_reply_t *r = xcb_alloc_color_reply(HostX.conn, c, NULL); |
| 430 | red = r->red; |
| 431 | green = r->green; |
| 432 | blue = r->blue; |
| 433 | pixel = r->pixel; |
| 434 | free(r); |
| 435 | } |
| 436 | |
| 437 | xcb_change_gc(HostX.conn, HostX.gc, XCB_GC_FOREGROUND, &pixel); |
| 438 | |
| 439 | if (!hostx_want_host_cursor ()) { |
| 440 | CursorVisible = TRUE; |
| 441 | /* Ditch the cursor, we provide our 'own' */ |
| 442 | cursor_pxm = xcb_generate_id(HostX.conn); |
| 443 | xcb_create_pixmap(HostX.conn, 1, cursor_pxm, HostX.winroot, 1, 1); |
| 444 | empty_cursor = xcb_generate_id(HostX.conn); |
| 445 | xcb_create_cursor(HostX.conn, |
| 446 | empty_cursor, |
| 447 | cursor_pxm, cursor_pxm, |
| 448 | 0,0,0, |
| 449 | 0,0,0, |
| 450 | 1,1); |
| 451 | for (index = 0; index < HostX.n_screens; index++) { |
| 452 | KdScreenInfo *screen = HostX.screens[index]; |
| 453 | EphyrScrPriv *scrpriv = screen->driver; |
| 454 | |
| 455 | xcb_change_window_attributes(HostX.conn, |
| 456 | scrpriv->win, |
| 457 | XCB_CW_CURSOR, |
| 458 | &empty_cursor); |
| 459 | } |
| 460 | xcb_free_pixmap(HostX.conn, cursor_pxm); |
| 461 | } |
| 462 | |
| 463 | /* Try to get share memory ximages for a little bit more speed */ |
| 464 | shm_rep = xcb_get_extension_data(HostX.conn, &xcb_shm_id); |
| 465 | if (!shm_rep || !shm_rep->present || getenv("XEPHYR_NO_SHM")) { |
| 466 | fprintf(stderr, "\nXephyr unable to use SHM XImages\n"); |
| 467 | HostX.have_shm = FALSE; |
| 468 | } |
| 469 | else { |
| 470 | /* Really really check we have shm - better way ?*/ |
| 471 | xcb_shm_segment_info_t shminfo; |
| 472 | xcb_generic_error_t *e; |
| 473 | xcb_void_cookie_t cookie; |
| 474 | xcb_shm_seg_t shmseg; |
| 475 | |
| 476 | HostX.have_shm = TRUE; |
| 477 | |
| 478 | shminfo.shmid = shmget(IPC_PRIVATE, 1, IPC_CREAT|0777); |
| 479 | shminfo.shmaddr = shmat(shminfo.shmid,0,0); |
| 480 | |
| 481 | shmseg = xcb_generate_id(HostX.conn); |
| 482 | cookie = xcb_shm_attach_checked(HostX.conn, shmseg, shminfo.shmid, |
| 483 | TRUE); |
| 484 | e = xcb_request_check(HostX.conn, cookie); |
| 485 | |
| 486 | if (e) { |
| 487 | fprintf(stderr, "\nXephyr unable to use SHM XImages\n"); |
| 488 | HostX.have_shm = FALSE; |
| 489 | free(e); |
| 490 | } |
| 491 | |
| 492 | shmdt(shminfo.shmaddr); |
| 493 | shmctl(shminfo.shmid, IPC_RMID, 0); |
| 494 | } |
| 495 | |
| 496 | xcb_flush(HostX.conn); |
| 497 | |
| 498 | /* Setup the pause time between paints when debugging updates */ |
| 499 | |
| 500 | HostX.damage_debug_msec = 20000; /* 1/50 th of a second */ |
| 501 | |
| 502 | if (getenv("XEPHYR_PAUSE")) { |
| 503 | HostX.damage_debug_msec = strtol(getenv("XEPHYR_PAUSE"), NULL, 0); |
| 504 | EPHYR_DBG("pause is %li\n", HostX.damage_debug_msec); |
| 505 | } |
| 506 | |
| 507 | return 1; |
| 508 | } |
| 509 | |
| 510 | int |
| 511 | hostx_get_depth(void) |
| 512 | { |
| 513 | return HostX.depth; |
| 514 | } |
| 515 | |
| 516 | int |
| 517 | hostx_get_server_depth(KdScreenInfo *screen) |
| 518 | { |
| 519 | EphyrScrPriv *scrpriv = screen->driver; |
| 520 | |
| 521 | return scrpriv ? scrpriv->server_depth : 0; |
| 522 | } |
| 523 | |
| 524 | int |
| 525 | hostx_get_bpp(KdScreenInfo *screen) |
| 526 | { |
| 527 | EphyrScrPriv *scrpriv = screen->driver; |
| 528 | |
| 529 | if (!scrpriv) |
| 530 | return 0; |
| 531 | |
| 532 | if (host_depth_matches_server(scrpriv)) |
| 533 | return HostX.visual->bits_per_rgb_value; |
| 534 | else |
| 535 | return scrpriv->server_depth; /*XXX correct ?*/ |
| 536 | } |
| 537 | |
| 538 | void |
| 539 | hostx_get_visual_masks(KdScreenInfo *screen, |
| 540 | CARD32 *rmsk, CARD32 *gmsk, CARD32 *bmsk) |
| 541 | { |
| 542 | EphyrScrPriv *scrpriv = screen->driver; |
| 543 | |
| 544 | if (!scrpriv) |
| 545 | return; |
| 546 | |
| 547 | if (host_depth_matches_server(scrpriv)) { |
| 548 | *rmsk = HostX.visual->red_mask; |
| 549 | *gmsk = HostX.visual->green_mask; |
| 550 | *bmsk = HostX.visual->blue_mask; |
| 551 | } |
| 552 | else if (scrpriv->server_depth == 16) { |
| 553 | /* Assume 16bpp 565 */ |
| 554 | *rmsk = 0xf800; |
| 555 | *gmsk = 0x07e0; |
| 556 | *bmsk = 0x001f; |
| 557 | } |
| 558 | else { |
| 559 | *rmsk = 0x0; |
| 560 | *gmsk = 0x0; |
| 561 | *bmsk = 0x0; |
| 562 | } |
| 563 | } |
| 564 | |
| 565 | static int |
| 566 | hostx_calculate_color_shift(unsigned long mask) |
| 567 | { |
| 568 | int shift = 1; |
| 569 | |
| 570 | /* count # of bits in mask */ |
| 571 | while ((mask = (mask >> 1))) |
| 572 | shift++; |
| 573 | /* cmap entry is an unsigned char so adjust it by size of that */ |
| 574 | shift = shift - sizeof(unsigned char) * 8; |
| 575 | if (shift < 0) |
| 576 | shift = 0; |
| 577 | return shift; |
| 578 | } |
| 579 | |
| 580 | void |
| 581 | hostx_set_cmap_entry(unsigned char idx, |
| 582 | unsigned char r, unsigned char g, unsigned char b) |
| 583 | { |
| 584 | /* need to calculate the shifts for RGB because server could be BGR. */ |
| 585 | /* XXX Not sure if this is correct for 8 on 16, but this works for 8 on 24.*/ |
| 586 | static int rshift, bshift, gshift = 0; |
| 587 | static int first_time = 1; |
| 588 | |
| 589 | if (first_time) { |
| 590 | first_time = 0; |
| 591 | rshift = hostx_calculate_color_shift(HostX.visual->red_mask); |
| 592 | gshift = hostx_calculate_color_shift(HostX.visual->green_mask); |
| 593 | bshift = hostx_calculate_color_shift(HostX.visual->blue_mask); |
| 594 | } |
| 595 | HostX.cmap[idx] = ((r << rshift) & HostX.visual->red_mask) | |
| 596 | ((g << gshift) & HostX.visual->green_mask) | |
| 597 | ((b << bshift) & HostX.visual->blue_mask); |
| 598 | } |
| 599 | |
| 600 | /** |
| 601 | * hostx_screen_init creates the XImage that will contain the front buffer of |
| 602 | * the ephyr screen, and possibly offscreen memory. |
| 603 | * |
| 604 | * @param width width of the screen |
| 605 | * @param height height of the screen |
| 606 | * @param buffer_height height of the rectangle to be allocated. |
| 607 | * |
| 608 | * hostx_screen_init() creates an XImage, using MIT-SHM if it's available. |
| 609 | * buffer_height can be used to create a larger offscreen buffer, which is used |
| 610 | * by fakexa for storing offscreen pixmap data. |
| 611 | */ |
| 612 | void * |
| 613 | hostx_screen_init(KdScreenInfo *screen, |
| 614 | int width, int height, int buffer_height, |
| 615 | int *bytes_per_line, int *bits_per_pixel) |
| 616 | { |
| 617 | EphyrScrPriv *scrpriv = screen->driver; |
| 618 | Bool shm_success = FALSE; |
| 619 | |
| 620 | if (!scrpriv) { |
| 621 | fprintf(stderr, "%s: Error in accessing hostx data\n", __func__); |
| 622 | exit(1); |
| 623 | } |
| 624 | |
| 625 | EPHYR_DBG("host_screen=%p wxh=%dx%d, buffer_height=%d", |
| 626 | host_screen, width, height, buffer_height); |
| 627 | |
| 628 | if (scrpriv->ximg != NULL) { |
| 629 | /* Free up the image data if previously used |
| 630 | * i.ie called by server reset |
| 631 | */ |
| 632 | |
| 633 | if (HostX.have_shm) { |
| 634 | xcb_shm_detach(HostX.conn, scrpriv->shminfo.shmseg); |
| 635 | xcb_image_destroy(scrpriv->ximg); |
| 636 | shmdt(scrpriv->shminfo.shmaddr); |
| 637 | shmctl(scrpriv->shminfo.shmid, IPC_RMID, 0); |
| 638 | } |
| 639 | else { |
| 640 | free(scrpriv->ximg->data); |
| 641 | scrpriv->ximg->data = NULL; |
| 642 | |
| 643 | xcb_image_destroy(scrpriv->ximg); |
| 644 | } |
| 645 | } |
| 646 | |
| 647 | if (HostX.have_shm) { |
| 648 | scrpriv->ximg = xcb_image_create_native(HostX.conn, |
| 649 | width, |
| 650 | buffer_height, |
| 651 | XCB_IMAGE_FORMAT_Z_PIXMAP, |
| 652 | HostX.depth, |
| 653 | NULL, |
| 654 | ~0, |
| 655 | NULL); |
| 656 | |
| 657 | scrpriv->shminfo.shmid = |
| 658 | shmget(IPC_PRIVATE, |
| 659 | scrpriv->ximg->stride * buffer_height, |
| 660 | IPC_CREAT | 0777); |
| 661 | scrpriv->ximg->data = shmat(scrpriv->shminfo.shmid, 0, 0); |
| 662 | scrpriv->shminfo.shmaddr = scrpriv->ximg->data; |
| 663 | |
| 664 | if (scrpriv->ximg->data == (uint8_t *) -1) { |
| 665 | EPHYR_DBG |
| 666 | ("Can't attach SHM Segment, falling back to plain XImages"); |
| 667 | HostX.have_shm = FALSE; |
| 668 | xcb_image_destroy (scrpriv->ximg); |
| 669 | shmctl(scrpriv->shminfo.shmid, IPC_RMID, 0); |
| 670 | } |
| 671 | else { |
| 672 | EPHYR_DBG("SHM segment attached %p", scrpriv->shminfo.shmaddr); |
| 673 | scrpriv->shminfo.shmseg = xcb_generate_id(HostX.conn); |
| 674 | xcb_shm_attach(HostX.conn, |
| 675 | scrpriv->shminfo.shmseg, |
| 676 | scrpriv->shminfo.shmid, |
| 677 | FALSE); |
| 678 | shm_success = TRUE; |
| 679 | } |
| 680 | } |
| 681 | |
| 682 | if (!shm_success) { |
| 683 | EPHYR_DBG("Creating image %dx%d for screen scrpriv=%p\n", |
| 684 | width, buffer_height, scrpriv); |
| 685 | scrpriv->ximg = xcb_image_create_native(HostX.conn, |
| 686 | width, |
| 687 | buffer_height, |
| 688 | XCB_IMAGE_FORMAT_Z_PIXMAP, |
| 689 | HostX.depth, |
| 690 | NULL, |
| 691 | ~0, |
| 692 | NULL); |
| 693 | |
| 694 | scrpriv->ximg->data = |
| 695 | malloc(scrpriv->ximg->stride * buffer_height); |
| 696 | } |
| 697 | |
| 698 | { |
| 699 | uint32_t mask = XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT; |
| 700 | uint32_t values[2] = {width, height}; |
| 701 | xcb_configure_window(HostX.conn, scrpriv->win, mask, values); |
| 702 | } |
| 703 | |
| 704 | if (scrpriv->win_pre_existing == None && !EphyrWantResize) { |
| 705 | /* Ask the WM to keep our size static */ |
| 706 | xcb_size_hints_t size_hints = {0}; |
| 707 | size_hints.max_width = size_hints.min_width = width; |
| 708 | size_hints.max_height = size_hints.min_height = height; |
| 709 | size_hints.flags = (XCB_ICCCM_SIZE_HINT_P_MIN_SIZE | |
| 710 | XCB_ICCCM_SIZE_HINT_P_MAX_SIZE); |
| 711 | xcb_icccm_set_wm_normal_hints(HostX.conn, scrpriv->win, |
| 712 | &size_hints); |
| 713 | } |
| 714 | |
| 715 | xcb_map_window(HostX.conn, scrpriv->win); |
| 716 | |
| 717 | xcb_aux_sync(HostX.conn); |
| 718 | |
| 719 | scrpriv->win_width = width; |
| 720 | scrpriv->win_height = height; |
| 721 | |
| 722 | if (host_depth_matches_server(scrpriv)) { |
| 723 | *bytes_per_line = scrpriv->ximg->stride; |
| 724 | *bits_per_pixel = scrpriv->ximg->bpp; |
| 725 | |
| 726 | EPHYR_DBG("Host matches server"); |
| 727 | return scrpriv->ximg->data; |
| 728 | } |
| 729 | else { |
| 730 | int bytes_per_pixel = scrpriv->server_depth >> 3; |
| 731 | int stride = (width * bytes_per_pixel + 0x3) & ~0x3; |
| 732 | |
| 733 | *bytes_per_line = stride; |
| 734 | *bits_per_pixel = scrpriv->server_depth; |
| 735 | |
| 736 | EPHYR_DBG("server bpp %i", bytes_per_pixel); |
| 737 | scrpriv->fb_data = malloc (stride * buffer_height); |
| 738 | return scrpriv->fb_data; |
| 739 | } |
| 740 | } |
| 741 | |
| 742 | static void hostx_paint_debug_rect(KdScreenInfo *screen, |
| 743 | int x, int y, int width, int height); |
| 744 | |
| 745 | void |
| 746 | hostx_paint_rect(KdScreenInfo *screen, |
| 747 | int sx, int sy, int dx, int dy, int width, int height) |
| 748 | { |
| 749 | EphyrScrPriv *scrpriv = screen->driver; |
| 750 | |
| 751 | EPHYR_DBG("painting in screen %d\n", scrpriv->mynum); |
| 752 | |
| 753 | /* |
| 754 | * Copy the image data updated by the shadow layer |
| 755 | * on to the window |
| 756 | */ |
| 757 | |
| 758 | if (HostXWantDamageDebug) { |
| 759 | hostx_paint_debug_rect(screen, dx, dy, width, height); |
| 760 | } |
| 761 | |
| 762 | /* |
| 763 | * If the depth of the ephyr server is less than that of the host, |
| 764 | * the kdrive fb does not point to the ximage data but to a buffer |
| 765 | * ( fb_data ), we shift the various bits from this onto the XImage |
| 766 | * so they match the host. |
| 767 | * |
| 768 | * Note, This code is pretty new ( and simple ) so may break on |
| 769 | * endian issues, 32 bpp host etc. |
| 770 | * Not sure if 8bpp case is right either. |
| 771 | * ... and it will be slower than the matching depth case. |
| 772 | */ |
| 773 | |
| 774 | if (!host_depth_matches_server(scrpriv)) { |
| 775 | int x, y, idx, bytes_per_pixel = (scrpriv->server_depth >> 3); |
| 776 | int stride = (scrpriv->win_width * bytes_per_pixel + 0x3) & ~0x3; |
| 777 | unsigned char r, g, b; |
| 778 | unsigned long host_pixel; |
| 779 | |
| 780 | EPHYR_DBG("Unmatched host depth scrpriv=%p\n", scrpriv); |
| 781 | for (y = sy; y < sy + height; y++) |
| 782 | for (x = sx; x < sx + width; x++) { |
| 783 | idx = y * stride + x * bytes_per_pixel; |
| 784 | |
| 785 | switch (scrpriv->server_depth) { |
| 786 | case 16: |
| 787 | { |
| 788 | unsigned short pixel = |
| 789 | *(unsigned short *) (scrpriv->fb_data + idx); |
| 790 | |
| 791 | r = ((pixel & 0xf800) >> 8); |
| 792 | g = ((pixel & 0x07e0) >> 3); |
| 793 | b = ((pixel & 0x001f) << 3); |
| 794 | |
| 795 | host_pixel = (r << 16) | (g << 8) | (b); |
| 796 | |
| 797 | xcb_image_put_pixel(scrpriv->ximg, x, y, host_pixel); |
| 798 | break; |
| 799 | } |
| 800 | case 8: |
| 801 | { |
| 802 | unsigned char pixel = |
| 803 | *(unsigned char *) (scrpriv->fb_data + idx); |
| 804 | xcb_image_put_pixel(scrpriv->ximg, x, y, |
| 805 | HostX.cmap[pixel]); |
| 806 | break; |
| 807 | } |
| 808 | default: |
| 809 | break; |
| 810 | } |
| 811 | } |
| 812 | } |
| 813 | |
| 814 | if (HostX.have_shm) { |
| 815 | xcb_image_shm_put(HostX.conn, scrpriv->win, |
| 816 | HostX.gc, scrpriv->ximg, |
| 817 | scrpriv->shminfo, |
| 818 | sx, sy, dx, dy, width, height, FALSE); |
| 819 | } |
| 820 | else { |
| 821 | xcb_image_put(HostX.conn, scrpriv->win, HostX.gc, scrpriv->ximg, |
| 822 | dx, dy, 0); |
| 823 | } |
| 824 | |
| 825 | xcb_aux_sync(HostX.conn); |
| 826 | } |
| 827 | |
| 828 | static void |
| 829 | hostx_paint_debug_rect(KdScreenInfo *screen, |
| 830 | int x, int y, int width, int height) |
| 831 | { |
| 832 | EphyrScrPriv *scrpriv = screen->driver; |
| 833 | struct timespec tspec; |
| 834 | xcb_rectangle_t rect = { .x = x, .y = y, .width = width, .height = height }; |
| 835 | xcb_void_cookie_t cookie; |
| 836 | xcb_generic_error_t *e; |
| 837 | |
| 838 | tspec.tv_sec = HostX.damage_debug_msec / (1000000); |
| 839 | tspec.tv_nsec = (HostX.damage_debug_msec % 1000000) * 1000; |
| 840 | |
| 841 | EPHYR_DBG("msec: %li tv_sec %li, tv_msec %li", |
| 842 | HostX.damage_debug_msec, tspec.tv_sec, tspec.tv_nsec); |
| 843 | |
| 844 | /* fprintf(stderr, "Xephyr updating: %i+%i %ix%i\n", x, y, width, height); */ |
| 845 | |
| 846 | cookie = xcb_poly_fill_rectangle_checked(HostX.conn, scrpriv->win, |
| 847 | HostX.gc, 1, &rect); |
| 848 | e = xcb_request_check(HostX.conn, cookie); |
| 849 | free(e); |
| 850 | |
| 851 | /* nanosleep seems to work better than usleep for me... */ |
| 852 | nanosleep(&tspec, NULL); |
| 853 | } |
| 854 | |
| 855 | void |
| 856 | hostx_load_keymap(void) |
| 857 | { |
| 858 | int min_keycode, max_keycode; |
| 859 | |
| 860 | min_keycode = xcb_get_setup(HostX.conn)->min_keycode; |
| 861 | max_keycode = xcb_get_setup(HostX.conn)->max_keycode; |
| 862 | |
| 863 | EPHYR_DBG("min: %d, max: %d", min_keycode, max_keycode); |
| 864 | |
| 865 | ephyrKeySyms.minKeyCode = min_keycode; |
| 866 | ephyrKeySyms.maxKeyCode = max_keycode; |
| 867 | } |
| 868 | |
| 869 | xcb_connection_t * |
| 870 | hostx_get_xcbconn(void) |
| 871 | { |
| 872 | return HostX.conn; |
| 873 | } |
| 874 | |
| 875 | int |
| 876 | hostx_get_screen(void) |
| 877 | { |
| 878 | return HostX.screen; |
| 879 | } |
| 880 | |
| 881 | int |
| 882 | hostx_get_window(int a_screen_number) |
| 883 | { |
| 884 | EphyrScrPriv *scrpriv; |
| 885 | if (a_screen_number < 0 || a_screen_number >= HostX.n_screens) { |
| 886 | EPHYR_LOG_ERROR("bad screen number:%d\n", a_screen_number); |
| 887 | return 0; |
| 888 | } |
| 889 | scrpriv = HostX.screens[a_screen_number]->driver; |
| 890 | return scrpriv->win; |
| 891 | } |
| 892 | |
| 893 | int |
| 894 | hostx_get_window_attributes(int a_window, EphyrHostWindowAttributes * a_attrs) |
| 895 | { |
| 896 | xcb_get_geometry_cookie_t geom_cookie; |
| 897 | xcb_get_window_attributes_cookie_t attr_cookie; |
| 898 | xcb_get_geometry_reply_t *geom_reply; |
| 899 | xcb_get_window_attributes_reply_t *attr_reply; |
| 900 | |
| 901 | geom_cookie = xcb_get_geometry(HostX.conn, a_window); |
| 902 | attr_cookie = xcb_get_window_attributes(HostX.conn, a_window); |
| 903 | geom_reply = xcb_get_geometry_reply(HostX.conn, geom_cookie, NULL); |
| 904 | attr_reply = xcb_get_window_attributes_reply(HostX.conn, attr_cookie, NULL); |
| 905 | |
| 906 | a_attrs->x = geom_reply->x; |
| 907 | a_attrs->y = geom_reply->y; |
| 908 | a_attrs->width = geom_reply->width; |
| 909 | a_attrs->height = geom_reply->height; |
| 910 | a_attrs->visualid = attr_reply->visual; |
| 911 | |
| 912 | free(geom_reply); |
| 913 | free(attr_reply); |
| 914 | return TRUE; |
| 915 | } |
| 916 | |
| 917 | int |
| 918 | hostx_get_visuals_info(EphyrHostVisualInfo ** a_visuals, int *a_num_entries) |
| 919 | { |
| 920 | Bool is_ok = FALSE; |
| 921 | EphyrHostVisualInfo *host_visuals = NULL; |
| 922 | int nb_items = 0, i = 0, screen_num; |
| 923 | xcb_screen_iterator_t screens; |
| 924 | xcb_depth_iterator_t depths; |
| 925 | |
| 926 | EPHYR_RETURN_VAL_IF_FAIL(a_visuals && a_num_entries, FALSE); |
| 927 | EPHYR_LOG("enter\n"); |
| 928 | |
| 929 | screens = xcb_setup_roots_iterator(xcb_get_setup(HostX.conn)); |
| 930 | for (screen_num = 0; screens.rem; screen_num++, xcb_screen_next(&screens)) { |
| 931 | depths = xcb_screen_allowed_depths_iterator(screens.data); |
| 932 | for (; depths.rem; xcb_depth_next(&depths)) { |
| 933 | xcb_visualtype_t *visuals = xcb_depth_visuals(depths.data); |
| 934 | EphyrHostVisualInfo *tmp_visuals = |
| 935 | realloc(host_visuals, |
| 936 | (nb_items + depths.data->visuals_len) |
| 937 | * sizeof(EphyrHostVisualInfo)); |
| 938 | if (!tmp_visuals) { |
| 939 | goto out; |
| 940 | } |
| 941 | host_visuals = tmp_visuals; |
| 942 | for (i = 0; i < depths.data->visuals_len; i++) { |
| 943 | host_visuals[nb_items + i].visualid = visuals[i].visual_id; |
| 944 | host_visuals[nb_items + i].screen = screen_num; |
| 945 | host_visuals[nb_items + i].depth = depths.data->depth; |
| 946 | host_visuals[nb_items + i].class = visuals[i]._class; |
| 947 | host_visuals[nb_items + i].red_mask = visuals[i].red_mask; |
| 948 | host_visuals[nb_items + i].green_mask = visuals[i].green_mask; |
| 949 | host_visuals[nb_items + i].blue_mask = visuals[i].blue_mask; |
| 950 | host_visuals[nb_items + i].colormap_size = visuals[i].colormap_entries; |
| 951 | host_visuals[nb_items + i].bits_per_rgb = visuals[i].bits_per_rgb_value; |
| 952 | } |
| 953 | nb_items += depths.data->visuals_len; |
| 954 | } |
| 955 | } |
| 956 | |
| 957 | EPHYR_LOG("host advertises %d visuals\n", nb_items); |
| 958 | *a_visuals = host_visuals; |
| 959 | *a_num_entries = nb_items; |
| 960 | host_visuals = NULL; |
| 961 | |
| 962 | is_ok = TRUE; |
| 963 | out: |
| 964 | free(host_visuals); |
| 965 | host_visuals = NULL; |
| 966 | EPHYR_LOG("leave\n"); |
| 967 | return is_ok; |
| 968 | |
| 969 | } |
| 970 | |
| 971 | int |
| 972 | hostx_create_window(int a_screen_number, |
| 973 | EphyrBox * a_geometry, |
| 974 | int a_visual_id, int *a_host_peer /*out parameter */ ) |
| 975 | { |
| 976 | Bool is_ok = FALSE; |
| 977 | xcb_window_t win; |
| 978 | int winmask = 0; |
| 979 | uint32_t attrs[2]; |
| 980 | xcb_screen_t *screen = xcb_aux_get_screen(HostX.conn, hostx_get_screen()); |
| 981 | xcb_visualtype_t *visual; |
| 982 | int depth = 0; |
| 983 | EphyrScrPriv *scrpriv = HostX.screens[a_screen_number]->driver; |
| 984 | |
| 985 | EPHYR_RETURN_VAL_IF_FAIL(screen && a_geometry, FALSE); |
| 986 | |
| 987 | EPHYR_LOG("enter\n"); |
| 988 | |
| 989 | visual = xcb_aux_find_visual_by_id(screen, a_visual_id); |
| 990 | if (!visual) { |
| 991 | EPHYR_LOG_ERROR ("argh, could not find a remote visual with id:%d\n", |
| 992 | a_visual_id); |
| 993 | goto out; |
| 994 | } |
| 995 | depth = xcb_aux_get_depth_of_visual(screen, a_visual_id); |
| 996 | |
| 997 | winmask = XCB_CW_EVENT_MASK | XCB_CW_COLORMAP; |
| 998 | attrs[0] = XCB_EVENT_MASK_BUTTON_PRESS |
| 999 | |XCB_EVENT_MASK_BUTTON_RELEASE |
| 1000 | |XCB_EVENT_MASK_POINTER_MOTION |
| 1001 | |XCB_EVENT_MASK_KEY_PRESS |
| 1002 | |XCB_EVENT_MASK_KEY_RELEASE |
| 1003 | |XCB_EVENT_MASK_EXPOSURE; |
| 1004 | attrs[1] = xcb_generate_id(HostX.conn); |
| 1005 | xcb_create_colormap(HostX.conn, |
| 1006 | XCB_COLORMAP_ALLOC_NONE, |
| 1007 | attrs[1], |
| 1008 | hostx_get_window(a_screen_number), |
| 1009 | a_visual_id); |
| 1010 | |
| 1011 | win = xcb_generate_id(HostX.conn); |
| 1012 | xcb_create_window(HostX.conn, |
| 1013 | depth, |
| 1014 | win, |
| 1015 | hostx_get_window (a_screen_number), |
| 1016 | a_geometry->x, a_geometry->y, |
| 1017 | a_geometry->width, a_geometry->height, 0, |
| 1018 | XCB_WINDOW_CLASS_COPY_FROM_PARENT, |
| 1019 | a_visual_id, winmask, attrs); |
| 1020 | |
| 1021 | if (scrpriv->peer_win == XCB_NONE) { |
| 1022 | scrpriv->peer_win = win; |
| 1023 | } |
| 1024 | else { |
| 1025 | EPHYR_LOG_ERROR("multiple peer windows created for same screen\n"); |
| 1026 | } |
| 1027 | xcb_flush(HostX.conn); |
| 1028 | xcb_map_window(HostX.conn, win); |
| 1029 | *a_host_peer = win; |
| 1030 | is_ok = TRUE; |
| 1031 | out: |
| 1032 | EPHYR_LOG("leave\n"); |
| 1033 | return is_ok; |
| 1034 | } |
| 1035 | |
| 1036 | int |
| 1037 | hostx_destroy_window(int a_win) |
| 1038 | { |
| 1039 | xcb_destroy_window(HostX.conn, a_win); |
| 1040 | xcb_flush(HostX.conn); |
| 1041 | return TRUE; |
| 1042 | } |
| 1043 | |
| 1044 | int |
| 1045 | hostx_set_window_geometry(int a_win, EphyrBox * a_geo) |
| 1046 | { |
| 1047 | uint32_t mask = XCB_CONFIG_WINDOW_X |
| 1048 | | XCB_CONFIG_WINDOW_Y |
| 1049 | | XCB_CONFIG_WINDOW_WIDTH |
| 1050 | | XCB_CONFIG_WINDOW_HEIGHT; |
| 1051 | uint32_t values[4]; |
| 1052 | |
| 1053 | EPHYR_RETURN_VAL_IF_FAIL(a_geo, FALSE); |
| 1054 | |
| 1055 | EPHYR_LOG("enter. x,y,w,h:(%d,%d,%d,%d)\n", |
| 1056 | a_geo->x, a_geo->y, a_geo->width, a_geo->height); |
| 1057 | |
| 1058 | values[0] = a_geo->x; |
| 1059 | values[1] = a_geo->y; |
| 1060 | values[2] = a_geo->width; |
| 1061 | values[3] = a_geo->height; |
| 1062 | xcb_configure_window(HostX.conn, a_win, mask, values); |
| 1063 | |
| 1064 | EPHYR_LOG("leave\n"); |
| 1065 | return TRUE; |
| 1066 | } |
| 1067 | |
| 1068 | int |
| 1069 | hostx_set_window_bounding_rectangles(int a_window, |
| 1070 | EphyrRect * a_rects, int a_num_rects) |
| 1071 | { |
| 1072 | Bool is_ok = FALSE; |
| 1073 | int i = 0; |
| 1074 | xcb_rectangle_t *rects = NULL; |
| 1075 | |
| 1076 | EPHYR_RETURN_VAL_IF_FAIL(a_rects, FALSE); |
| 1077 | |
| 1078 | EPHYR_LOG("enter. num rects:%d\n", a_num_rects); |
| 1079 | |
| 1080 | rects = calloc(a_num_rects, sizeof (xcb_rectangle_t)); |
| 1081 | if (!rects) |
| 1082 | goto out; |
| 1083 | for (i = 0; i < a_num_rects; i++) { |
| 1084 | rects[i].x = a_rects[i].x1; |
| 1085 | rects[i].y = a_rects[i].y1; |
| 1086 | rects[i].width = abs(a_rects[i].x2 - a_rects[i].x1); |
| 1087 | rects[i].height = abs(a_rects[i].y2 - a_rects[i].y1); |
| 1088 | EPHYR_LOG("borders clipped to rect[x:%d,y:%d,w:%d,h:%d]\n", |
| 1089 | rects[i].x, rects[i].y, rects[i].width, rects[i].height); |
| 1090 | } |
| 1091 | xcb_shape_rectangles(HostX.conn, |
| 1092 | XCB_SHAPE_SO_SET, |
| 1093 | XCB_SHAPE_SK_BOUNDING, |
| 1094 | XCB_CLIP_ORDERING_YX_BANDED, |
| 1095 | a_window, |
| 1096 | 0, 0, |
| 1097 | a_num_rects, |
| 1098 | rects); |
| 1099 | is_ok = TRUE; |
| 1100 | |
| 1101 | out: |
| 1102 | free(rects); |
| 1103 | rects = NULL; |
| 1104 | EPHYR_LOG("leave\n"); |
| 1105 | return is_ok; |
| 1106 | } |
| 1107 | |
| 1108 | #ifdef XF86DRI |
| 1109 | typedef struct { |
| 1110 | int is_valid; |
| 1111 | int local_id; |
| 1112 | int remote_id; |
| 1113 | } ResourcePair; |
| 1114 | |
| 1115 | #define RESOURCE_PEERS_SIZE 1024*10 |
| 1116 | static ResourcePair resource_peers[RESOURCE_PEERS_SIZE]; |
| 1117 | |
| 1118 | int |
| 1119 | hostx_allocate_resource_id_peer(int a_local_resource_id, |
| 1120 | int *a_remote_resource_id) |
| 1121 | { |
| 1122 | int i = 0; |
| 1123 | ResourcePair *peer = NULL; |
| 1124 | |
| 1125 | /* |
| 1126 | * first make sure a resource peer |
| 1127 | * does not exist already for |
| 1128 | * a_local_resource_id |
| 1129 | */ |
| 1130 | for (i = 0; i < RESOURCE_PEERS_SIZE; i++) { |
| 1131 | if (resource_peers[i].is_valid |
| 1132 | && resource_peers[i].local_id == a_local_resource_id) { |
| 1133 | peer = &resource_peers[i]; |
| 1134 | break; |
| 1135 | } |
| 1136 | } |
| 1137 | /* |
| 1138 | * find one free peer entry, an feed it with |
| 1139 | */ |
| 1140 | if (!peer) { |
| 1141 | for (i = 0; i < RESOURCE_PEERS_SIZE; i++) { |
| 1142 | if (!resource_peers[i].is_valid) { |
| 1143 | peer = &resource_peers[i]; |
| 1144 | break; |
| 1145 | } |
| 1146 | } |
| 1147 | if (peer) { |
| 1148 | peer->remote_id = xcb_generate_id(HostX.conn); |
| 1149 | peer->local_id = a_local_resource_id; |
| 1150 | peer->is_valid = TRUE; |
| 1151 | } |
| 1152 | } |
| 1153 | if (peer) { |
| 1154 | *a_remote_resource_id = peer->remote_id; |
| 1155 | return TRUE; |
| 1156 | } |
| 1157 | return FALSE; |
| 1158 | } |
| 1159 | |
| 1160 | int |
| 1161 | hostx_get_resource_id_peer(int a_local_resource_id, int *a_remote_resource_id) |
| 1162 | { |
| 1163 | int i = 0; |
| 1164 | ResourcePair *peer = NULL; |
| 1165 | |
| 1166 | for (i = 0; i < RESOURCE_PEERS_SIZE; i++) { |
| 1167 | if (resource_peers[i].is_valid |
| 1168 | && resource_peers[i].local_id == a_local_resource_id) { |
| 1169 | peer = &resource_peers[i]; |
| 1170 | break; |
| 1171 | } |
| 1172 | } |
| 1173 | if (peer) { |
| 1174 | *a_remote_resource_id = peer->remote_id; |
| 1175 | return TRUE; |
| 1176 | } |
| 1177 | return FALSE; |
| 1178 | } |
| 1179 | |
| 1180 | #endif /* XF86DRI */ |